Teach/blackbeard, nor his crew, definitely weren't and you conveniently ignore that fact. Also why was their so much medicine in Charleston for it if no one needed it?

No one said no one needed it. You're engaging in the false dilemma -- we're talking about majority commoners. Were there people who did need it because they did mess around? Of course. But was it widespread and encouraged throughout the community of plebeians? Of course not. Since it wasn't like sex was promoted as a shameless pastime like it has been in modern times since the burgeoning of the sexual revolution.

As for Victorian era Britain, mothers were selling their teenage daughters into prostitution:

This has been going on since the dawn of civilisation: https://www.cairn.info/revue-d-assyriologie-2017-1-page-9.htm

Those are rare cases that are present in any society where poor people do whatever is available to them to survive.

And just before then, the marquis de Sade wrote the literal book on sadism and sexual deviancy.

Yes, and he was forthright quite renown for his sadism and even jailed for it. It was not as if he was not brought before the court of public scrutiny for his debauchery, because he was -- it was not a commonplace occurrence among the populace.